sql Coding Problems

All C# Programs — Data Structures 167 DSA — Binary Search 105 DSA — Strings 105 DSA — Arrays 105 C# Programs — Strings 105 DSA — Sorting 105 DSA — Trees 105 DSA — Graphs 105 C# Programs — Arrays 105 DSA — Hashing 105 DSA — Dynamic Programming 105 DSA — Two Pointers 105 DSA — Stacks & Queues 105 C# Programs — LINQ 104 C# Programs — Collections 103 C# Programs — Sorting 103 C# Programs — OOP 103 C# Programs — Interfaces 101 SQL Server — SELECT basics 101 SQL Server — WHERE & filtering 101 SQL Server — Aggregates & GROUP BY 101 SQL Server — Window functions 101 SQL Server — CTEs 101 C# Programs — Inheritance 101 SQL Server — T-SQL procedures 101 SQL Server — Subqueries 101 SQL Server — JOINs 101 SQL Server — DDL & constraints 101

2292 problems in this topic

#	Title	Topics	Acceptance	Pts	Difficulty
951	PostgreSQL GROUP BY HAVING #40	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	40	Hard	Solve
952	T-SQL AVG salary by department #40	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	30	Medium	Solve
953	Avg by category #41	SQL — Aggregates & GROUP BY sql coding-practice	—	30	Medium	Solve
954	MySQL AVG salary by dept #41	MySQL — Aggregates & GROUP BY mysql coding-practice	—	30	Medium	Solve
955	PostgreSQL GROUP BY HAVING #41	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	30	Medium	Solve
956	T-SQL AVG salary by department #41	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	40	Hard	Solve
957	Avg by category #42	SQL — Aggregates & GROUP BY sql coding-practice	—	30	Medium	Solve
958	MySQL AVG salary by dept #42	MySQL — Aggregates & GROUP BY mysql coding-practice	—	30	Medium	Solve
959	PostgreSQL GROUP BY HAVING #42	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	30	Medium	Solve
960	T-SQL AVG salary by department #42	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	30	Medium	Solve
961	Avg by category #43	SQL — Aggregates & GROUP BY sql coding-practice	—	40	Hard	Solve
962	MySQL AVG salary by dept #43	MySQL — Aggregates & GROUP BY mysql coding-practice	—	40	Hard	Solve
963	PostgreSQL GROUP BY HAVING #43	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	40	Hard	Solve
964	T-SQL AVG salary by department #43	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	20	Easy	Solve
965	Avg by category #44	SQL — Aggregates & GROUP BY sql coding-practice	—	30	Medium	Solve
966	MySQL AVG salary by dept #44	MySQL — Aggregates & GROUP BY mysql coding-practice	—	30	Medium	Solve
967	PostgreSQL GROUP BY HAVING #44	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	30	Medium	Solve
968	T-SQL AVG salary by department #44	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	30	Medium	Solve
969	Avg by category #45	SQL — Aggregates & GROUP BY sql coding-practice	—	30	Medium	Solve
970	MySQL AVG salary by dept #45	MySQL — Aggregates & GROUP BY mysql coding-practice	—	30	Medium	Solve
971	PostgreSQL GROUP BY HAVING #45	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	30	Medium	Solve
972	T-SQL AVG salary by department #45	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	40	Hard	Solve
973	Avg by category #46	SQL — Aggregates & GROUP BY sql coding-practice	—	40	Hard	Solve
974	MySQL AVG salary by dept #46	MySQL — Aggregates & GROUP BY mysql coding-practice	—	40	Hard	Solve
975	PostgreSQL GROUP BY HAVING #46	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	40	Hard	Solve
976	T-SQL AVG salary by department #46	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	30	Medium	Solve
977	Avg by category #47	SQL — Aggregates & GROUP BY sql coding-practice	—	30	Medium	Solve
978	MySQL AVG salary by dept #47	MySQL — Aggregates & GROUP BY mysql coding-practice	—	30	Medium	Solve
979	PostgreSQL GROUP BY HAVING #47	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	30	Medium	Solve
980	T-SQL AVG salary by department #47	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	20	Easy	Solve
981	Avg by category #48	SQL — Aggregates & GROUP BY sql coding-practice	—	30	Medium	Solve
982	MySQL AVG salary by dept #48	MySQL — Aggregates & GROUP BY mysql coding-practice	—	30	Medium	Solve
983	PostgreSQL GROUP BY HAVING #48	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	30	Medium	Solve
984	T-SQL AVG salary by department #48	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	30	Medium	Solve
985	Avg by category #49	SQL — Aggregates & GROUP BY sql coding-practice	—	40	Hard	Solve
986	MySQL AVG salary by dept #49	MySQL — Aggregates & GROUP BY mysql coding-practice	—	40	Hard	Solve
987	PostgreSQL GROUP BY HAVING #49	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	40	Hard	Solve
988	T-SQL AVG salary by department #49	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	40	Hard	Solve
989	Avg by category #50	SQL — Aggregates & GROUP BY sql coding-practice	—	30	Medium	Solve
990	MySQL AVG salary by dept #50	MySQL — Aggregates & GROUP BY mysql coding-practice	—	30	Medium	Solve
991	PostgreSQL GROUP BY HAVING #50	PostgreSQL — Aggregates & GROUP BY postgresql coding-practice	—	30	Medium	Solve
992	T-SQL AVG salary by department #50	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	30	Medium	Solve
993	T-SQL AVG salary by department #51	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	20	Easy	Solve
994	T-SQL AVG salary by department #52	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	30	Medium	Solve
995	T-SQL AVG salary by department #53	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	40	Hard	Solve
996	T-SQL AVG salary by department #54	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	30	Medium	Solve
997	T-SQL AVG salary by department #55	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	20	Easy	Solve
998	T-SQL AVG salary by department #56	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	30	Medium	Solve
999	T-SQL AVG salary by department #57	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	40	Hard	Solve
1000	T-SQL AVG salary by department #58	SQL Server — Aggregates & GROUP BY sqlserver coding-practice	—	30	Medium	Solve

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Graph Valid Tree

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